68908394 has 8 divisors (see below), whose sum is σ = 103415940. Its totient is φ = 34436416.

The previous prime is 68908387. The next prime is 68908409. The reversal of 68908394 is 49380986.

It can be written as a sum of positive squares in 2 ways, for example, as 63409369 + 5499025 = 7963^2 + 2345^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3359 + ... + 12210.

Almost surely, 2^68908394 is an apocalyptic number.

68908394 is a deficient number, since it is larger than the sum of its proper divisors (34507546).

68908394 is a wasteful number, since it uses less digits than its factorization.

68908394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17784.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 68908394 is about 8301.1079983337. The cubic root of 68908394 is about 409.9750014502.

The spelling of 68908394 in words is "sixty-eight million, nine hundred eight thousand, three hundred ninety-four".